Silver halide photographic elements containing aryliodonium comp

Details Silver halide photographic elements containing aryliodonium comp Silver halide photographic elements containing aryliodonium comp

1997-01-08

1998-03-31

Huff, Mark F.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Silver compound sensitizer containing

430569, 430568, 430599, 430603, 430605, G03C 1035, G03C 108

Patent

active

057337179

ABSTRACT:
This invention relates to a silver halide photographic element comprising a silver halide emulsion precipitated and/or chemically sensitized in the presence of an aryliodonium compound represented by the formula: ##STR1## wherein R.sup.1 and R.sup.2 and R.sup.3 are independently H, or aliphatic, aromatic or heterocyclic groups, alkoxy groups, hydroxy groups, halogen atoms, aryloxy groups, alkylthio groups, arylthio groups, acyl groups, sulfonyl groups, acyloxy groups, carboxyl groups, cyano groups, nitro groups, sulfo groups, alkylsulfoxide or trifluoralkyl groups, or any two of R.sup.1, R.sup.2 and R.sup.3 together represent the atoms necessary to form a five or six-membered ring or a multiple ring system;

REFERENCES:
patent: 2105274 (1938-01-01), Steigmann
patent: 3554758 (1971-01-01), Willems et al.
patent: 3817753 (1974-06-01), Willems et al.
patent: 3928043 (1975-12-01), Ciurca, Jr.
patent: 5605789 (1997-02-01), Chen et al.

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